server作为备份服务器，rsyncd，客户端client使用工具连接
rsync 的服务端配置（rsyncd.conf）仅对服务器端的 rsyncd 服务生效，必须在服务器端重启服务才能加载新配置。客户端的 rsyncd 服务与当前连接的服务器端无关，重启客户端服务既不会让服务器端配置生效，也不影响客户端用rsync命令发起连接（客户端只需安装 rsync 工具，无需运行 rsyncd 服务）。
改服务端配置，就重启服务端的 rsyncd；客户端不需要运行 rsyncd 服务，也不用重启。
#安装软件包 [root@server ~ 10:14:10]# yum install -y rsync # 准备同步目录，该目录任何用户都可以读写。 [root@server ~ 08:43:26]# mkdir -m 777 /backup # 配置rsync，不验证用户，直接同步 [root@server ~ 10:11:06]# vim /etc/rsyncd.conf #vim添加命令行 # 添加如下配置 [backup] # 描述信息 comment = backup # 备份路径 path = /backup # 设置可写 read only = no # 指定用户名 auth users = rsync # 指定用户密码文件 secrets file = /etc/rsyncd.secrets #编辑root权限 [root@server ~ 10:26:58]# vim /etc/rsyncd.conf uid=root gid=root #重启 [root@server ~ 10:29:23]# systemctl restart rsyncd --now # 创建用户凭据文件 [root@server ~ 10:13:16]# echo 'rsync:redhat' > /etc/rsyncd.secrets [root@server ~ 10:13:35]# chmod 400 /etc/rsyncd.secrets # 启用并启动rsyncd服务 [root@server ~ 10:13:43]# systemctl enable rsyncd --now Created symlink from /etc/systemd/system/multi-user.target.wants/rsyncd.service to /usr/lib/systemd/system/rsyncd.service. # 配置防火墙 [root@server ~ 10:13:50]# firewall-cmd --add-service=rsyncd success [root@server ~ 10:14:01]# firewall-cmd --add-service=rsyncd --permanent success #关闭seLinux [root@server ~ 10:28:59]# setenforce 0
客户端配置和测试
# 准备密码文件 [root@client ~ 09:21:27]# echo redhat > rsyncd.secrets [root@client ~ 10:20:48]# chmod 400 rsyncd.secrets # 传输测试 [root@client ~ 10:30:04]# rsync -av --password-file=./rsyncd.secrets /etc/hostname rsync@server::backup sending incremental file list hostname sent 110 bytes received 35 bytes 290.00 bytes/sec total size is 17 speedup is 0.12 # 验证结果 [root@server ~ 10:32:35]# ls /backup/ hostname
安装软件包
# 下载软件 [root@client ~]# wget https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/sersync/sersync2.5.4_64bit_binary_stable_final.tar.gz #或者将sersync2.5.4_64bit_binary_stable_final.tar.gz拖入窗口安装 [root@client ~ 10:41:09]# rz -E rz waiting to receive. # 解压文件 [root@client ~ 10:54:48]# tar xf sersync2.5.4_64bit_binary_stable_final.t
配置文件
[root@client ~ 10:57:18]# vim confxml.xml <?xml version="1.0" encoding="ISO-8859-1"?> <head version="2.5"> <host hostip="localhost" port="8008"></host> <debug start="false"/> <fileSystem xfs="true"/> <filter start="true"> <exclude expression="^cache/*"></exclude> </filter> <inotify> <delete start="true"/> <createFolder start="true"/> <createFile start="false"/> <closeWrite start="true"/> <moveFrom start="true"/> <moveTo start="true"/> <attrib start="false"/> <modify start="false"/> </inotify> <sersync> <localpath watch="/app_data"> <remote ip="10.1.8.10" name="backup"/> </localpath> <rsync> <commonParams params="-azP"/> <auth start="true" users="rsync" passwordfile="/root/rsyncd.secrets"/> <userDefinedPort start="false" port="873"/> <timeout start="false" time="100"/> <ssh start="false"/> </rsync> <failLog path="/tmp/rsync_fail_log.sh" timeToExecute="60"/> <crontab start="false" schedule="600"><!--600mins--> <crontabfilter start="false"> <exclude expression="*.php"></exclude> <exclude expression="info/*"></exclude> </crontabfilter> </crontab> <plugin start="false" name="command"/> </sersync> <plugin name="command"> <param prefix="/bin/sh" suffix="" ignoreError="true"/> <filter start="false"> <include expression="(.*)\.php"/> <include expression="(.*)\.sh"/> </filter> </plugin> </head>
运行Sersync
[root@client ~ 11:01:20]# cp GNU-Linux-x86/sersync2 /usr/local/bin/ [root@client ~ 11:02:24]# sersync2 -h set the system param execute：echo 50000000 > /proc/sys/fs/inotify/max_user_watches execute：echo 327679 > /proc/sys/fs/inotify/max_queued_events parse the command param _______________________________________________________ 参数-d:启用守护进程模式 参数-r:在监控前，将监控目录与远程主机用rsync命令推送一遍 c参数-n: 指定开启守护线程的数量，默认为10个 参数-o:指定配置文件，默认使用confxml.xml文件 参数-m:单独启用其他模块，使用 -m refreshCDN 开启刷新CDN模块 参数-m:单独启用其他模块，使用 -m socket 开启socket模块 参数-m:单独启用其他模块，使用 -m http 开启http模块 不加-m参数，则默认执行同步程序 _____________________________________________________________ # 运行 Sersync，-d 后台运行 [root@client ~ 11:02:35]# sersync2 -o confxml.xml -d set the system param execute：echo 50000000 > /proc/sys/fs/inotify/max_user_watches execute：echo 327679 > /proc/sys/fs/inotify/max_queued_events parse the command param option: -o config xml name： confxml.xml option: -d run as a daemon daemon thread num: 10 parse xml config file host ip : localhost host port: 8008 now the filter work ,if you set the crontab,you have to set crontab filter WARNING XFS FILE SYSTEM WORK daemon start，sersync run behind the console use rsync password-file : user is rsync passwordfile is /root/rsyncd.secrets config xml parse success please set /etc/rsyncd.conf max connections=0 Manually sersync working thread 12 = 1(primary thread) + 1(fail retry thread) + 10(daemon sub threads) Max threads numbers is: 22 = 12(Thread pool nums) + 10(Sub threads) please according your cpu ，use -n param to adjust the cpu rate run the sersync: watch path is: /app_data
测试文件实时同步
# server 端监控目录 /backup [root@server ~ 10:41:27]# watch -n 1 ls /backup #在客户端创建文件和目录 [root@client ~ 11:03:42]# echo hello world > /app_data/welcome.txt [root@client ~ 11:04:22]# mkdir /app_data/dbdata # 客户端删除文件 [root@client ~ 11:04:37]# rm -fr /app_data/*
[root@client ~ 11:04:55]# cp confxml.xml /etc/sersyncd.conf [root@client ~ 11:23:24]# vim /etc/systemd/system/sersyncd.service [Unit] Description=SerSync server daemon [Service] Type=forking ExecStart=/usr/local/bin/sersync2 -o /etc/sersyncd.conf -d [Install] WantedBy=multi-user.target [root@client ~ 11:24:22]# systemctl daemon-reload [root@client ~ 11:24:27]# systemctl enable sersyncd.service Created symlink from /etc/systemd/system/multi-user.target.wants/sersyncd.service to /etc/systemd/system/sersyncd.service.